The first one in incorrect , it should be 130 but the rest are correct !
Answer: 18
Step-by-step explanation:
Add them all up
18+21+20+14+17=90
Divide by 5 since that is how many numbers there are
90/5=18
Answer:
6: compression 7: translation 8: Reflection
Answer:
12 inches by 21 inches
Step-by-step
Let's start with the 8 feet
for every 2 feet add three inches you get a total of 12 inches
same for the 14 feet, you get 21 inches
The scenario is wrong. according to the three other tools, the hot air balloon would be increasing in altitude, not descending.